353 lines
12 KiB
C++
353 lines
12 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "sk_tool_utils.h"
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#include "sk_tool_utils_flags.h"
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#include "Resources.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkCommonFlags.h"
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#include "SkPoint3.h"
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#include "SkShader.h"
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#include "SkTestScalerContext.h"
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#include "SkTextBlob.h"
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DEFINE_bool(portableFonts, false, "Use portable fonts");
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namespace sk_tool_utils {
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/* these are the default fonts chosen by Chrome for serif, sans-serif, and monospace */
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static const char* gStandardFontNames[][3] = {
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{ "Times", "Helvetica", "Courier" }, // Mac
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{ "Times New Roman", "Helvetica", "Courier" }, // iOS
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{ "Times New Roman", "Arial", "Courier New" }, // Win
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{ "Times New Roman", "Arial", "Monospace" }, // Ubuntu
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{ "serif", "sans-serif", "monospace" }, // Android
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{ "Tinos", "Arimo", "Cousine" } // ChromeOS
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};
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const char* platform_font_name(const char* name) {
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SkString platform = major_platform_os_name();
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int index;
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if (!strcmp(name, "serif")) {
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index = 0;
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} else if (!strcmp(name, "san-serif")) {
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index = 1;
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} else if (!strcmp(name, "monospace")) {
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index = 2;
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} else {
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return name;
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}
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if (platform.equals("Mac")) {
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return gStandardFontNames[0][index];
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}
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if (platform.equals("iOS")) {
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return gStandardFontNames[1][index];
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}
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if (platform.equals("Win")) {
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return gStandardFontNames[2][index];
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}
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if (platform.equals("Ubuntu")) {
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return gStandardFontNames[3][index];
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}
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if (platform.equals("Android")) {
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return gStandardFontNames[4][index];
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}
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if (platform.equals("ChromeOS")) {
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return gStandardFontNames[5][index];
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}
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return name;
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}
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const char* platform_os_emoji() {
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const char* osName = platform_os_name();
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if (!strcmp(osName, "Android") || !strcmp(osName, "Ubuntu")) {
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return "CBDT";
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}
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if (!strncmp(osName, "Mac", 3)) {
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return "SBIX";
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}
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return "";
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}
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void emoji_typeface(SkAutoTUnref<SkTypeface>* tf) {
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "CBDT")) {
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tf->reset(GetResourceAsTypeface("/fonts/Funkster.ttf"));
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return;
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}
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "SBIX")) {
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tf->reset(SkTypeface::CreateFromName("Apple Color Emoji", SkTypeface::kNormal));
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return;
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}
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tf->reset(nullptr);
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return;
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}
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const char* emoji_sample_text() {
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "CBDT")) {
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return "Hamburgefons";
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}
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if (!strcmp(sk_tool_utils::platform_os_emoji(), "SBIX")) {
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return "\xF0\x9F\x92\xB0" "\xF0\x9F\x8F\xA1" "\xF0\x9F\x8E\x85" // 💰🏡🎅
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"\xF0\x9F\x8D\xAA" "\xF0\x9F\x8D\x95" "\xF0\x9F\x9A\x80" // 🍪🍕🚀
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"\xF0\x9F\x9A\xBB" "\xF0\x9F\x92\xA9" "\xF0\x9F\x93\xB7" // 🚻💩📷
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"\xF0\x9F\x93\xA6" // 📦
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"\xF0\x9F\x87\xBA" "\xF0\x9F\x87\xB8" "\xF0\x9F\x87\xA6"; // 🇺🇸🇦
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}
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return "";
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}
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const char* platform_os_name() {
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for (int index = 0; index < FLAGS_key.count(); index += 2) {
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if (!strcmp("os", FLAGS_key[index])) {
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return FLAGS_key[index + 1];
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}
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}
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// when running SampleApp or dm without a --key pair, omit the platform name
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return "";
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}
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// omit version number in returned value
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SkString major_platform_os_name() {
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SkString name;
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for (int index = 0; index < FLAGS_key.count(); index += 2) {
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if (!strcmp("os", FLAGS_key[index])) {
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const char* platform = FLAGS_key[index + 1];
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const char* end = platform;
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while (*end && (*end < '0' || *end > '9')) {
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++end;
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}
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name.append(platform, end - platform);
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break;
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}
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}
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return name;
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}
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const char* platform_extra_config(const char* config) {
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for (int index = 0; index < FLAGS_key.count(); index += 2) {
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if (!strcmp("extra_config", FLAGS_key[index]) && !strcmp(config, FLAGS_key[index + 1])) {
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return config;
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}
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}
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return "";
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}
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const char* colortype_name(SkColorType ct) {
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switch (ct) {
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case kUnknown_SkColorType: return "Unknown";
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case kAlpha_8_SkColorType: return "Alpha_8";
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case kIndex_8_SkColorType: return "Index_8";
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case kARGB_4444_SkColorType: return "ARGB_4444";
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case kRGB_565_SkColorType: return "RGB_565";
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case kRGBA_8888_SkColorType: return "RGBA_8888";
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case kBGRA_8888_SkColorType: return "BGRA_8888";
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default:
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SkASSERT(false);
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return "unexpected colortype";
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}
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}
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SkColor color_to_565(SkColor color) {
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SkPMColor pmColor = SkPreMultiplyColor(color);
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U16CPU color16 = SkPixel32ToPixel16(pmColor);
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return SkPixel16ToColor(color16);
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}
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SkTypeface* create_portable_typeface(const char* name, SkTypeface::Style style) {
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return create_font(name, style);
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}
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void set_portable_typeface(SkPaint* paint, const char* name, SkTypeface::Style style) {
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SkTypeface* face = create_font(name, style);
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SkSafeUnref(paint->setTypeface(face));
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}
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void write_pixels(SkCanvas* canvas, const SkBitmap& bitmap, int x, int y,
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SkColorType colorType, SkAlphaType alphaType) {
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SkBitmap tmp(bitmap);
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tmp.lockPixels();
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const SkImageInfo info = SkImageInfo::Make(tmp.width(), tmp.height(), colorType, alphaType);
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canvas->writePixels(info, tmp.getPixels(), tmp.rowBytes(), x, y);
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}
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SkShader* create_checkerboard_shader(SkColor c1, SkColor c2, int size) {
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SkBitmap bm;
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bm.allocN32Pixels(2 * size, 2 * size);
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bm.eraseColor(c1);
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bm.eraseArea(SkIRect::MakeLTRB(0, 0, size, size), c2);
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bm.eraseArea(SkIRect::MakeLTRB(size, size, 2 * size, 2 * size), c2);
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return SkShader::CreateBitmapShader(
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bm, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
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}
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SkBitmap create_checkerboard_bitmap(int w, int h, SkColor c1, SkColor c2, int checkSize) {
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SkBitmap bitmap;
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bitmap.allocN32Pixels(w, h);
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SkCanvas canvas(bitmap);
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sk_tool_utils::draw_checkerboard(&canvas, c1, c2, checkSize);
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return bitmap;
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}
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void draw_checkerboard(SkCanvas* canvas, SkColor c1, SkColor c2, int size) {
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SkPaint paint;
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paint.setShader(create_checkerboard_shader(c1, c2, size))->unref();
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paint.setXfermodeMode(SkXfermode::kSrc_Mode);
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canvas->drawPaint(paint);
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}
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SkBitmap create_string_bitmap(int w, int h, SkColor c, int x, int y,
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int textSize, const char* str) {
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SkBitmap bitmap;
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bitmap.allocN32Pixels(w, h);
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SkCanvas canvas(bitmap);
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SkPaint paint;
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paint.setAntiAlias(true);
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sk_tool_utils::set_portable_typeface(&paint);
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paint.setColor(c);
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paint.setTextSize(SkIntToScalar(textSize));
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canvas.clear(0x00000000);
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canvas.drawText(str, strlen(str), SkIntToScalar(x), SkIntToScalar(y), paint);
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return bitmap;
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}
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void add_to_text_blob(SkTextBlobBuilder* builder, const char* text, const SkPaint& origPaint,
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SkScalar x, SkScalar y) {
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SkPaint paint(origPaint);
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SkTDArray<uint16_t> glyphs;
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size_t len = strlen(text);
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glyphs.append(paint.textToGlyphs(text, len, nullptr));
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paint.textToGlyphs(text, len, glyphs.begin());
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paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
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const SkTextBlobBuilder::RunBuffer& run = builder->allocRun(paint, glyphs.count(), x, y,
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nullptr);
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memcpy(run.glyphs, glyphs.begin(), glyphs.count() * sizeof(uint16_t));
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}
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static inline void norm_to_rgb(SkBitmap* bm, int x, int y, const SkVector3& norm) {
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SkASSERT(SkScalarNearlyEqual(norm.length(), 1.0f));
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unsigned char r = static_cast<unsigned char>((0.5f * norm.fX + 0.5f) * 255);
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unsigned char g = static_cast<unsigned char>((-0.5f * norm.fY + 0.5f) * 255);
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unsigned char b = static_cast<unsigned char>((0.5f * norm.fZ + 0.5f) * 255);
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*bm->getAddr32(x, y) = SkPackARGB32(0xFF, r, g, b);
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}
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void create_hemi_normal_map(SkBitmap* bm, const SkIRect& dst) {
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const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f),
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dst.fTop + (dst.height() / 2.0f));
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const SkPoint halfSize = SkPoint::Make(dst.width() / 2.0f, dst.height() / 2.0f);
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SkVector3 norm;
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for (int y = dst.fTop; y < dst.fBottom; ++y) {
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for (int x = dst.fLeft; x < dst.fRight; ++x) {
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norm.fX = (x + 0.5f - center.fX) / halfSize.fX;
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norm.fY = (y + 0.5f - center.fY) / halfSize.fY;
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SkScalar tmp = norm.fX * norm.fX + norm.fY * norm.fY;
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if (tmp >= 1.0f) {
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norm.set(0.0f, 0.0f, 1.0f);
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} else {
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norm.fZ = sqrtf(1.0f - tmp);
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}
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norm_to_rgb(bm, x, y, norm);
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}
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}
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}
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void create_frustum_normal_map(SkBitmap* bm, const SkIRect& dst) {
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const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f),
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dst.fTop + (dst.height() / 2.0f));
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SkIRect inner = dst;
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inner.inset(dst.width()/4, dst.height()/4);
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SkPoint3 norm;
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const SkPoint3 left = SkPoint3::Make(-SK_ScalarRoot2Over2, 0.0f, SK_ScalarRoot2Over2);
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const SkPoint3 up = SkPoint3::Make(0.0f, -SK_ScalarRoot2Over2, SK_ScalarRoot2Over2);
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const SkPoint3 right = SkPoint3::Make(SK_ScalarRoot2Over2, 0.0f, SK_ScalarRoot2Over2);
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const SkPoint3 down = SkPoint3::Make(0.0f, SK_ScalarRoot2Over2, SK_ScalarRoot2Over2);
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for (int y = dst.fTop; y < dst.fBottom; ++y) {
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for (int x = dst.fLeft; x < dst.fRight; ++x) {
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if (inner.contains(x, y)) {
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norm.set(0.0f, 0.0f, 1.0f);
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} else {
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SkScalar locX = x + 0.5f - center.fX;
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SkScalar locY = y + 0.5f - center.fY;
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if (locX >= 0.0f) {
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if (locY > 0.0f) {
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norm = locX >= locY ? right : down; // LR corner
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} else {
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norm = locX > -locY ? right : up; // UR corner
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}
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} else {
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if (locY > 0.0f) {
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norm = -locX > locY ? left : down; // LL corner
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} else {
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norm = locX > locY ? up : left; // UL corner
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}
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}
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}
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norm_to_rgb(bm, x, y, norm);
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}
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}
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}
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void create_tetra_normal_map(SkBitmap* bm, const SkIRect& dst) {
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const SkPoint center = SkPoint::Make(dst.fLeft + (dst.width() / 2.0f),
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dst.fTop + (dst.height() / 2.0f));
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static const SkScalar k1OverRoot3 = 0.5773502692f;
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SkPoint3 norm;
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const SkPoint3 leftUp = SkPoint3::Make(-k1OverRoot3, -k1OverRoot3, k1OverRoot3);
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const SkPoint3 rightUp = SkPoint3::Make(k1OverRoot3, -k1OverRoot3, k1OverRoot3);
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const SkPoint3 down = SkPoint3::Make(0.0f, SK_ScalarRoot2Over2, SK_ScalarRoot2Over2);
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for (int y = dst.fTop; y < dst.fBottom; ++y) {
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for (int x = dst.fLeft; x < dst.fRight; ++x) {
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SkScalar locX = x + 0.5f - center.fX;
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SkScalar locY = y + 0.5f - center.fY;
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if (locX >= 0.0f) {
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if (locY > 0.0f) {
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norm = locX >= locY ? rightUp : down; // LR corner
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} else {
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norm = rightUp;
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}
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} else {
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if (locY > 0.0f) {
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norm = -locX > locY ? leftUp : down; // LL corner
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} else {
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norm = leftUp;
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}
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}
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norm_to_rgb(bm, x, y, norm);
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}
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}
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}
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void make_big_path(SkPath& path) {
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#include "BigPathBench.inc"
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}
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} // namespace sk_tool_utils
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